Partnership. According to public information, Hebei Zhongdian Hua Tuo Technology Co., Ltd. is a high-tech enterprise specializing in photoelectric components, optical fiber and cable, communication equipment and system integration, and 54 companies are one of the subordinate units of China Electronics Technology Group Corporation, mainly engaged in research, development and production in the field of electronic information technology. There is a cooperative relationship of business cooperation or technical exchange between them.